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net: add missing data-race annotation for sk_ll_usec

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[ Upstream commit e5f0d2dd3c2faa671711dac6d3ff3cef307bcfe3 ]

In a prior commit I forgot that sk_getsockopt() reads
sk->sk_ll_usec without holding a lock.

Fixes: 0dbffbb533 ("net: annotate data race around sk_ll_usec")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Eric Dumazet 2023-07-28 15:03:17 +00:00 • committed by Greg Kroah-Hartman
parent dd7a1ff07c
commit 6326c83ee2
1 changed files with 1 additions and 1 deletions
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2
net/core/sock.c
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@ -1845,7 +1845,7 @@ int sk_getsockopt(struct sock *sk, int level, int optname,
#ifdef CONFIG_NET_RX_BUSY_POLL
case SO_BUSY_POLL:
v.val = sk->sk_ll_usec;
v.val = READ_ONCE(sk->sk_ll_usec);
break;
case SO_PREFER_BUSY_POLL:
v.val = READ_ONCE(sk->sk_prefer_busy_poll);